Courtesy of AAOS Musculoskeletal Tumor Registry

Musculoskeletal oncology isn’t exactly known for big datasets — or simple cases. That’s why the American Academy of Orthopaedic Surgeons’ (AAOS) Musculoskeletal Tumor Registry releasing its first-ever Annual Report is a pretty big deal.

The 2025 Musculoskeletal Tumor Registry Annual Report delivers the first national snapshot of real-world, physician-entered clinical data in musculoskeletal oncology. It includes 1,189 procedures submitted between 2016 and 2025 from 9 institutions, representing a 67% growth in data volume and a steady year-over-year increase in participation.


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